Nikon is the world leader in Sports Optics and is globally recognized for setting new standards in product design and performance. Nikon is able to provide a tremendous optic and an amazing price to give you the best possible value. This particular scope is a Nikon M-308 designed to be used on a Centerfire rifle or AR rifle chambered in .308 Winchester. It features a 4-16x Variable power range, tactical adjustment turrets and the BDC 800 reticle.